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Intrinsic hierarchical structural imperfections in a natural ceramic of bivalve shell with distinctly graded properties
Jiao, Da; Liu, Zengqian; Zhang, Zhenjun; Zhang, Zhefeng; liuzq@imr.ac.cn; zhfzhang@imr.ac.cn
2015
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume5Pages:-
AbstractDespite the extensive investigation on the structure of natural biological materials, insufficient attention has been paid to the structural imperfections by which the mechanical properties of synthetic materials are dominated. In this study, the structure of bivalve Saxidomus purpuratus shell has been systematically characterized quantitatively on multiple length scales from millimeter to sub-nanometer. It is revealed that hierarchical imperfections are intrinsically involved in the crossed-lamellar structure of the shell despite its periodically packed platelets. In particular, various favorable characters which are always pursued in synthetic materials, e.g. nanotwins and low-angle misorientations, have been incorporated herein. The possible contributions of these imperfections to mechanical properties are further discussed. It is suggested that the imperfections may serve as structural adaptations, rather than detrimental defects in the real sense, to help improve the mechanical properties of natural biological materials. This study may aid in understanding the optimizing strategies of structure and properties designed by nature, and accordingly, provide inspiration for the design of synthetic materials.
description.department[jiao, da ; liu, zengqian ; zhang, zhenjun ; zhang, zhefeng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
Funding OrganizationNational Natural Science Foundation of China [51331007]; IMR SYNL-T.S. Ke Research Fellowship
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74927
Collection中国科学院金属研究所
Corresponding Authorliuzq@imr.ac.cn; zhfzhang@imr.ac.cn
Recommended Citation
GB/T 7714
Jiao, Da,Liu, Zengqian,Zhang, Zhenjun,et al. Intrinsic hierarchical structural imperfections in a natural ceramic of bivalve shell with distinctly graded properties[J]. SCIENTIFIC REPORTS,2015,5:-.
APA Jiao, Da,Liu, Zengqian,Zhang, Zhenjun,Zhang, Zhefeng,liuzq@imr.ac.cn,&zhfzhang@imr.ac.cn.(2015).Intrinsic hierarchical structural imperfections in a natural ceramic of bivalve shell with distinctly graded properties.SCIENTIFIC REPORTS,5,-.
MLA Jiao, Da,et al."Intrinsic hierarchical structural imperfections in a natural ceramic of bivalve shell with distinctly graded properties".SCIENTIFIC REPORTS 5(2015):-.
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